The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 29, 2019

Filed:

Oct. 27, 2017
Applicant:

Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;

Inventors:

Shinichi Kameyama, Iwakura, JP;

Takashi Kawada, Yokohama, JP;

Ryoko Masuda, Nagoya, JP;

Assignee:

FUJITSU LIMITED, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/20 (2006.01); G06F 16/27 (2019.01); G06F 3/06 (2006.01); G06F 11/16 (2006.01); G06F 16/13 (2019.01);
U.S. Cl.
CPC ...
G06F 11/2094 (2013.01); G06F 3/0604 (2013.01); G06F 3/065 (2013.01); G06F 3/0617 (2013.01); G06F 3/0683 (2013.01); G06F 11/1666 (2013.01); G06F 16/13 (2019.01); G06F 16/275 (2019.01); G06F 2201/85 (2013.01);
Abstract

A storage device including a first memory that stores a plurality of pieces of data a second memory that stores first state information indicating a state of update of the plurality of pieces of data, and a processor coupled to the first memory and the second memory and the processor configured to receive a update request for the plurality of pieces of data stored in the first memory, update a part of the plurality of pieces of data corresponding to the update request in response to an update of a second storage device coupled to the storage device, and update the first state information in response to the update of the plurality of pieces of data.


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